diff --git a/component/poppler/buildout.cfg b/component/poppler/buildout.cfg
index 9da1ee0c04b73ac85c12fc5521e78a98a3736de1..aeba27989c00006128809180dffa20032f2f5f1a 100644
--- a/component/poppler/buildout.cfg
+++ b/component/poppler/buildout.cfg
@@ -14,7 +14,7 @@ extends =
 [poppler]
 recipe = slapos.recipe.cmmi
 shared = true
-url = http://poppler.freedesktop.org/poppler-0.43.0.tar.xz
+url = https://poppler.freedesktop.org/poppler-0.43.0.tar.xz
 md5sum = 1d2b001663119855cdfbc0713dbfb9c6
 configure-options =
   --disable-cairo-output